.mask {
    position: fixed;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background-color: $mask-bg-color;
    z-index: $z-index-mask;
}


.fade-enter {
    opacity: 0;
}

.fade-enter-active {
    animation: fadeIn $mask-animation-enter-duration $mask-animation-enter-function;
}

.fade-leave-active {
    animation: fadeOut $mask-animation-leave-duration $mask-animation-leave-function;
}
